If a note book costs Rs p and a pencil costs Rs 3, then the total cost (in Rs) of two note books and one pencil.


Cost of one notebook = Rs p

Cost of 2 notebook = 2 × p = Rs 2p


Cost of one pencil = Rs 3


Total cost = Cost of 2 notebook + Cost of 1 pencil


Total cost = Rs (2p+3)


67
1